/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.nutch.protocol.httpclient;

import java.util.List;

/**
 * The base level of services required for Http Authentication
 * 
 * @see HttpAuthenticationFactory
 * 
 * @author Matt Tencati
 */
public interface HttpAuthentication {

  /**
   * Gets the credentials generated by the HttpAuthentication object. May return
   * null.
   * 
   * @return The credentials value
   */
  public List getCredentials();

  /**
   * Gets the realm used by the HttpAuthentication object during creation.
   * 
   * @return The realm value
   */
  public String getRealm();

}
